Abstract
The photoelectrochemistry of natural photosynthetic machineries forms the foundations of many upcoming biotechnologies, whilst also providing valuable insights into the bioenergetics of the complex biological systems. Here, I will show recent developments in the integration of cyanobacterial components, including isolated photosystems, thylakoids and live biofilms into inverse opal mesoporous electrodes for photoelectrochemical studies. The systematic comparison of the different components, each being one step removed in metabolic complexity, allows the electron transfer processes at each level to be more effectively teased out. I will also showcase the coupling of photoelectrochemistry with additional biophysical techniques, including quartz crystal microbalance and dissipation, ATR-IR spectroscopy, fluorescence microscopy, and rotating ring disk electrode, for providing complemental insights into the bio-material interface.
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